Ice cream is not recommended for children with fever, as it has no antipyretic effect and may cause adverse reactions in the digestive tract. Fever is usually caused by a pathogen infection, the pyrogen causes the body’s thermoregulatory dysfunction. Eating ice cream will only decrease the temperature in the gastrointestinal tract transiently, but it will not help to reduce the child’s temperature. The correct physical cooling method is to use warm water to wipe the body or ice pack cold compress. If the fever is caused by gastrointestinal infections, eating ice cream may also irritate the gastrointestinal mucosa, aggravating abdominal pain, diarrhea and other gastrointestinal adverse reactions. If the fever is caused by a non-gastrointestinal infection, eating ice cream may also cause a weakening of the digestive ability, and the stimulation of the gastrointestinal tract by ice cream may also aggravate the symptoms. When a child’s fever persists, it is recommended that he or she be taken to the hospital as soon as possible to seek active medical treatment to identify the cause of the illness.